No, it's haram to mock other's beliefs. The Qur'an states in 6:108:
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Do not abuse those whom they worship besides Allah lest they become disrespectful towards Allah’s Majesty, through injustice and ignorance; likewise, in the eyes of every nation, We have made their deeds appear good - then towards their Lord they have to return and He will inform them of what they used to do.
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